Waterproofing of kitchens and bathrooms is an important part of the entire renovation process. It is directly related to the comfort of living in the future. There are the following acceptance criteria:
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Kitchen and toilet waterproof project acceptance
1. Waterproof construction should be used for coating waterproof material.
2. The performance of waterproof material shall comply with the relevant national standards and shall have a product certificate of conformity.
3. The surface of the grass-roots level should be flat and there must be no defects such as emptying, sanding, cracking, etc. The base layer moisture content should meet the construction requirements for waterproof materials.
The waterproof layer should extend from the ground to the wall, 250mm above the ground. The height of the waterproof layer on the bathroom wall should not be less than 1800mm.
4. Waterproof cement mortar leveling layer and the foundation are combined densely, without empty drums, the surface smooth and smooth, no cracks, sand, yin and yang angle made into a rounded shape.
5 coating film waterproof layer brushing uniform, thickness to meet the requirements of product specifications, the general thickness of not less than 1.5mm not exposed.
6. The use of construction joints should be lapped in the direction of the flowing water. The lap width should not be less than 100mm. When using two or more layers of glass fiber cloth to overlap one another, one-half of the width should be opened.
7. The surface of the coating film is not blistering, flowing, flat and without bumps, and the joints of pipe fittings, sanitary fittings, floor drains, and drain outlets are tightly closed and do not leak.
8. The thickness and strength of the protective layer cement mortar must meet the design requirements. During the operation, it is strictly prohibited to break the waterproof layer. According to the design requirements, the surface float slope should be completed, the drainage should be smooth, and there should be no backwater slope phenomenon.
9. After completion of the waterproofing project, a 24-hour storage test must be done.
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